The new Nexus 7 tablet by Google is already outed, and with its 1920x1200 pixels of resolution it sports the highest pixel density ever on a tablet. The 323ppi count is just north of the 320ppi mark Apple called Retina Display upon the iPhone 4 introduction, as with that density a person with perfect vision wouldn't be able to tell the individual pixels from the typical distance you look at a smartphone...Source: http://www.phonearena.com/news/Tablets-break-the-320ppi-barrier-new-vs-old-Google-Nexus-7-specs-and-size-review_id45659
